12122110412543 has 8 divisors (see below), whose sum is σ = 12127193575200. Its totient is φ = 12117027589888.

The previous prime is 12122110412501. The next prime is 12122110412557. The reversal of 12122110412543 is 34521401122121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12122110412543 - 2³² = 12117815445247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122110412563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91585430 + ... + 91717692.

It is an arithmetic number, because the mean of its divisors is an integer number (1515899196900).

Almost surely, 2^{12122110412543} is an apocalyptic number.

12122110412543 is a deficient number, since it is larger than the sum of its proper divisors (5083162657).

12122110412543 is a wasteful number, since it uses less digits than its factorization.

12122110412543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170001.

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 12122110412543 its reverse (34521401122121), we get a palindrome (46643511534664).

The spelling of 12122110412543 in words is "twelve trillion, one hundred twenty-two billion, one hundred ten million, four hundred twelve thousand, five hundred forty-three".